42100175050 has 24 divisors (see below), whose sum is σ = 78326822700. Its totient is φ = 16835662080.

The previous prime is 42100175009. The next prime is 42100175087. The reversal of 42100175050 is 5057100124.

It can be written as a sum of positive squares in 6 ways, for example, as 7115091201 + 34985083849 = 84351^2 + 187043^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86196 + ... + 302704.

Almost surely, 2^42100175050 is an apocalyptic number.

42100175050 is a deficient number, since it is larger than the sum of its proper divisors (36226647650).

42100175050 is a wasteful number, since it uses less digits than its factorization.

42100175050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220410 (or 220405 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

Adding to 42100175050 its reverse (5057100124), we get a palindrome (47157275174).

The spelling of 42100175050 in words is "forty-two billion, one hundred million, one hundred seventy-five thousand, fifty".